Aldona Zofia Wos (born March 26, 1955) is a Polish-American former physician and Republican politician who served in various positions at several government agencies under Presidents George W. Bush and Donald Trump and nonprofit organizations. She was the United States Ambassador to Estonia from 2004 until early December 2006, the fifth since the country regained its independence in 1991. From 2013 until 2015, she was Secretary of the North Carolina Department of Health and Human Services. From 2017 to 2021, Wos served as vice-chairwoman of the President's Commission on White House Fellowships, which is tasked with reviewing candidates for White House fellowships.